1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(NETSCAPE_PLUGIN_API)
29
30#include "Connection.h"
31#include "Plugin.h"
32#include "WebProcessConnectionMessages.h"
33#include <wtf/HashSet.h>
34#include <wtf/RefCounted.h>
35
36namespace WebKit {
37
38class NPRemoteObjectMap;
39class PluginControllerProxy;
40struct PluginCreationParameters;
41
42// A connection from a plug-in process to a web process.
43
44class WebProcessConnection : public RefCounted<WebProcessConnection>, IPC::Connection::Client {
45public:
46 static Ref<WebProcessConnection> create(IPC::Connection::Identifier);
47 virtual ~WebProcessConnection();
48
49 IPC::Connection* connection() const { return m_connection.get(); }
50 NPRemoteObjectMap* npRemoteObjectMap() const { return m_npRemoteObjectMap.get(); }
51
52 void removePluginControllerProxy(PluginControllerProxy*, Plugin*);
53
54 static void setGlobalException(const String&);
55
56private:
57 WebProcessConnection(IPC::Connection::Identifier);
58
59 void addPluginControllerProxy(std::unique_ptr<PluginControllerProxy>);
60
61 void destroyPluginControllerProxy(PluginControllerProxy*);
62
63 // IPC::Connection::Client
64 void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
65 void didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, std::unique_ptr<IPC::Encoder>&) override;
66 void didClose(IPC::Connection&) override;
67 void didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
68
69 // Message handlers.
70 void didReceiveWebProcessConnectionMessage(IPC::Connection&, IPC::Decoder&);
71 void didReceiveSyncWebProcessConnectionMessage(IPC::Connection&, IPC::Decoder&, std::unique_ptr<IPC::Encoder>&);
72 void createPlugin(const PluginCreationParameters&, Messages::WebProcessConnection::CreatePlugin::DelayedReply&&);
73 void createPluginAsynchronously(const PluginCreationParameters&);
74 void destroyPlugin(uint64_t pluginInstanceID, bool asynchronousCreationIncomplete, Messages::WebProcessConnection::DestroyPlugin::DelayedReply&&);
75
76 void createPluginInternal(const PluginCreationParameters&, bool& result, bool& wantsWheelEvents, uint32_t& remoteLayerClientID);
77
78 RefPtr<IPC::Connection> m_connection;
79
80 HashMap<uint64_t, std::unique_ptr<PluginControllerProxy>> m_pluginControllers;
81 RefPtr<NPRemoteObjectMap> m_npRemoteObjectMap;
82 HashSet<uint64_t> m_asynchronousInstanceIDsToIgnore;
83};
84
85} // namespace WebKit
86
87#endif // ENABLE(NETSCAPE_PLUGIN_API)
88